Question Set 3Question 1 1 / 1 pointWhich of the following amino acids are most likely to be found in the core of a protein?

Asparagine

Alanine

Serine

Threonine

Question 2 1 / 1 pointWhich of the following is NOT a hydrophobic amino acid?

Serine

Valine

Alanine

Phenylalanine

Question Set 4Question 3 1 / 1 pointWhich of the following is a charged amino acid?

Lysine

Tyrosine

Alanine

Phenylalanine

Question 4 1 / 1 pointWhich of the following is a hydrophobic amino acid?

Histidine

Lysine

Valine

Asparagine

Question 5 1 / 1 pointWhich of the following is an aromatic amino acid?

Cysteine

Serine

Methionine

Tryptophan

Question set 5Question 6 1 / 1 pointWhich of the following amino acids introduces a kink into a peptide chain?

Histidine

Proline

Cysteine

Lysine

Question 7 1 / 1 pointSelect the most correct conformation of the following protein.

Question 8 1 / 1 pointSelect the most correct conformation of the following protein.

Question Set 1Question 9 1 / 1 point

This is the structure of RBP, human retinol binding protein. It is an example of which of the following motifs?

A zinc finger

A coiled coil

A helix-loop-helix

A beta barrel

Question 10 1 / 1 point

This is a structure found in the transcription factor USF1. It is an example of which of the following motifs?

A beta barrel

A zinc finger

A coiled coil

A helix loop helix

Question Set 2Question 11 1 / 1 point

In the structure below, what type of bond is indicated by the yellow lines?

van der Waals forces

disulphide bridge

peptide bond

hydrogen bond

Question 12 1 / 1 point

This is a schematic of a turn in a peptide chain. Which type of bond is indicated by the dotted green line?

disulphide bridge

hydrogen bond

peptide bond

van der Waals force

Question Set 6Question 13 1 / 1 pointWhich of the following is a covalent interaction?

Ionic bond

Van der Waals

Disulfide bond

Hydrogen bond

Question Set 7Question 14 1 / 1 pointSide chain groups can vary in…

Hydrophobicity

Reactivity

Charge

All of the above

Attempt Score:

14 / 14

(100 %)

Overall Grade (highest attempt):

14 / 14

(100 %)

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